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Passeriformes / Zosteropidae / Zosterops

Chestnut-flanked White-eye

Zosterops erythropleurus · 红胁绣眼鸟

China: Level II IUCN: Least Concern Found in China

Introduction

A member of the family Zosteropidae, first described by Robert Swinhoe in 1863. It inhabits forests, preferring deep mixed and coniferous types.

Description

Measures 10.5 cm in length. Features a distinct chestnut patch on its flanks and whiter underparts. The bill base and lower mandible may appear pinkish.

Identification

Distinguished from the similar Japanese white-eye, which has pale brown flanks, by its distinct chestnut flank patch.

Distribution & Habitat

Breeds in Manchuria in poplar, alder, and willow forests, thickets, and groves. Migrates to central China, Yunnan province, and northern Southeast Asia for winter, inhabiting deciduous and evergreen forests usually above 1000 m. It is the most migratory species of white-eye.

Source: Wikipedia · CC BY-SA 3.0

Taxonomy

Order
Passeriformes
Family
Zosteropidae
Genus
Zosterops

Distribution

breeds southeastern Siberia to southwestern China and northeastern Manchuria; winters to southeastern Asia

Data Sources

Species description from Wikipedia, licensed under CC BY-SA 3.0.

Bird images and sounds sourced from GBIF, contributed by citizen scientists worldwide under Creative Commons licenses.

Taxonomy data from AviList 2025.